i would refer you to the pentagon's comments this morning on the details of this particular type of uav, but again, we have no evidence that those claims are true. >> protests are continuing in mexico in the aftermath of clashes between police and citizens after it the inauguration of president and ricky pena nieto. activists have accused mexican police of using infiltrators to carry out vandalism and other acts of sabotage. in mexico city, hundreds of people marched through the streets to call for the release of jailed protesters and to denounce police infiltration. >> all this vandalism was caused by infiltrators. has been hard because we have been protesting peacefully. we have been peaceful and as we reject the return of the pri. we are rejecting the return of pena nieto and we do not think it should be like this. many should be released. >> the u.s. senate has unanimously approved a $631 billion military spending bill. the measure includes the accelerations of a withdrawal from afghanistan as well as intensified sanctions on iran. the obama administration has threatened veto minute